Home / 3,790.62-5,230.90-2,299.14

Finding the Fourth Proportional to 3,790.62, 5,230.90 and 2,299.14

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Solution

The fourth proportional to 3,790.62, 5,230.90 and 2,299.14 is: 3,172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.62 : 5,230.90 = 2,299.14 : x
  2. Step 2: Convert to fraction form
    3,790.62/5,230.90 = 2,299.14/x
  3. Step 3: Cross multiply
    3,790.62x = 5,230.90 × 2,299.14
  4. Step 4: Simplify right side
    3,790.62x = 12,026,571.43
  5. Step 5: Solve for x
    x = 12,026,571.43/3,790.62
  6. Step 6: Final answer
    x = 3,172.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.